Add 12/4 and 84/9
1st number: 3 0/4, 2nd number: 9 3/9
12/4 + 84/9 is 37/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
12/4 = 12 × 9/4 × 9 = 108/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
84/9 = 84 × 4/9 × 4 = 336/36 - Add the two like fractions:
108/36 + 336/36 = 108 + 336/36 = 444/36 - 444/36 simplified gives 37/3
- So, 12/4 + 84/9 = 37/3
In mixed form: 121/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4+84/9 12/8+84/9 12/4+84/18 36/4+84/9 12/4+84/27 60/4+84/9 12/20+84/9 12/4+84/45 84/4+84/9 12/28+84/9 12/4+84/63